# OnCo record strain-echocardiography-gls (technology). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/technologies/strain-echocardiography-gls/>
  a schema:MedicalTherapy ;
  onco:kind "technology" ;
  schema:identifier "strain-echocardiography-gls" ;
  schema:name "Strain echocardiography (global longitudinal strain)"@en ;
  schema:alternateName "global longitudinal strain"@en, "GLS"@en, "speckle-tracking echocardiography"@en, "myocardial strain imaging"@en, "cardiac strain"@en ;
  schema:description "An ordinary heart ultrasound analysed by software that tracks how far each segment of heart muscle shortens with every beat; a fall of more than about fifteen per cent from baseline warns of chemotherapy heart damage months before the usual ejection fraction measurement moves."@en ;
  schema:url <https://onco.cc/technologies/strain-echocardiography-gls/> ;
  schema:dateModified "2026-09-17"^^xsd:date ;
  schema:citation <https://doi.org/10.1093/eurheartj/ehac244> ;
  onco:status "established" ;
  onco:related <https://onco.cc/trials/ccss/> ;
  onco:cancers <https://onco.cc/cancers/breast-cancer/>, <https://onco.cc/cancers/breast-her2-positive/>, <https://onco.cc/cancers/dlbcl/>, <https://onco.cc/cancers/hodgkin-lymphoma/>, <https://onco.cc/cancers/sarcoma/>, <https://onco.cc/cancers/childhood-cancers/> ;
  onco:sections <https://onco.cc/fronts/imaging/>, <https://onco.cc/fronts/supportive-care/> ;
  onco:technologies <https://onco.cc/technologies/cardio-oncology/>, <https://onco.cc/technologies/cardiac-biomarker-monitoring/>, <https://onco.cc/technologies/ultrasound/>, <https://onco.cc/technologies/mri/>, <https://onco.cc/technologies/hand-held-ultrasound/> ;
  onco:drugs <https://onco.cc/drugs/doxorubicin/>, <https://onco.cc/drugs/trastuzumab/>, <https://onco.cc/drugs/dexrazoxane/> ;
  onco:companies <https://onco.cc/companies/ge-healthcare/>, <https://onco.cc/companies/philips/>, <https://onco.cc/companies/siemens-healthineers/>, <https://onco.cc/companies/canon-medical/> ;
  onco:terms <https://onco.cc/terms/cardiotoxicity/>, <https://onco.cc/terms/anthracycline/> .